Installation Tips: Don't Let Cold Weather Stall Your Project
January 8, 2019

Cold-weather installations can be challenging and may require extra time and labor. Check out these storage and installation tips to help your winter projects run more smoothly.


Storage Tips

Low-VOC adhesives and primers and pressure-sensitive (PS) accessories
  • Store between 60°F-80°F. If stored below 60°F, restore to between 60°F-80°F before application. If adhesive is stored in below-freezing temperatures, it may solidify in the can. If this occurs, restore to room temperature for at least 24 hours before using. 
  • Water-based adhesives (HydroBond™, Aqua Base 120) will freeze in temperatures below 32°F and will be unusable thereafter. 
  • On winter jobsites, a heated enclosure or hot box is essential to ensure that adhesives and PS products maintain their intended properties and ease of application. Visit powerblanket.com for more information on jobsite heating equipment. 

Application Tips

Low-VOC Bonding Adhesive and EPDM x-23 Low-VOC Bonding Adhesive
  • Allow membranes to relax for at least 30 minutes before installing. 
  • Avoid puddles and globs, and re-roll any wet areas to break the skin and allow solvents to flash off. 
  • Shaded roof areas take longer to flash off than sunny areas. 
  • Use the “tack test” to ensure that solvents have flashed off and the adhesive is still tacky. 
  • If the adhesive is not tacky, it has over-dried and must be re-applied at the published coverage rate.
  • Install the membrane shortly after adhesive passes the tack test, then immediately broom or roll the membrane after setting the sheet. 
PS EPDM flashings
  • In cold temperatures, a heat gun must be used to warm PS flashings until warm to the touch prior to installation. This will make application much quicker and easier. 

TPO membranes
  • Test weld in the morning and then again after lunch when the temperature has likely increased. 
  • The speed of the Automatic Heat Welder may need to be adjusted to produce proper seams. 

FAST and Flexible FAST
  • Keep your materials warm. FAST in drums must be a minimum of 70°F for the material to flow and mix properly. Storing FAST drums outside overnight in cold temperatures can cause the adhesive to freeze. FAST Bag in a Box and FAST Dual Cartridges should be stored in a hot box on the roof.

For more information about building codes, please contact your local sales representative.

June 11, 2019
Flashing Options for Every Detail

Carlisle offers three different types of Sure-Seal® Pressure-Sensitive (PS) flashings to address the variety of details found on any given roof. All three feature the proven weatherability of EPDM and come with 30-mil of Pressure-Sensitive (PS) SecurTape™ to create a watertight seal. The primary difference among the three is the amount of cure in the rubber, and the process used to manufacture them. PS Elastoform – often called “uncured” flashing – is used to flash irregularly-shaped objects or details with multiple angle changes. The uncured state of the flashing allows the rubber to be formed and stretched into place without reverting to its original shape like cured rubber. The flashing formulation is designed to cure on the roof with exposure to heat. Since it is necessary to limit heat exposure in the manufacturing process; to keep the product uncured; Carlisle requires all edges to be lap sealed. This prevents water from getting between the flashing ply and the tape ply while the material cures on the roof. T-joints, corners, and pockets are all made from Elastoform flashing – which has a 9-month shelf life. PS Overlayment Strip – often called “semi-cured” flashing – utilizes the same Elastoform flashing formulation, but is semi-cured with heat during the manufacturing process. The overlayment strip has the dark black look of uncured flashing, but is 70% cured in order to add tear resistance for stripping in metal edging or end laps. PS Overlayment Strip is packaged without the diamond pattern film, as it is removed during the semi-curing process. This is an easy way to tell the difference between PS Overlayment Strip and a roll of PS Elastoform. Due to the semi-cured nature of PS Overlayment strip, it can seal step-offs at splice intersections of 60-mil rubber without the need for T-joint covers. PS Overlayment Strip is better suited to strip-in seams than PS Elastoform, as it eliminates the need for lap sealant and T-joints. PS Cured Cover Strip is made with the same 60-mil non-reinforced membrane as Carlisle’s standard sheeting, and then laminated to 30-mil of SecurTape. This product is primarily used for stripping-in metal or end-laps and offers the same finished appearance as the field membrane. Due to the fully-cured nature and thickness of the product, T-Joints are required at splice intersections. Carlisle SynTec’s Sure-White® Pressure-Sensitive Flashing is available in Elastoform and cured cover strip options, and is approved for use on both EPDM and TPO roofing systems. Sure-White Elastoform has a more aggressive cure package to account for the fact that the white flashing will not gain as much heat naturally on the roof. This translates into a shorter shelf life of 6 months. Keeping white or black Elastoform flashing cool during long term storage will help to maximize the shelf life. Carlisle SynTec has all your flashing needs covered. For more information about pressure-sensitive flashing, please contact your Regional Technical Manager.     Ron Goodman     EPDM Product Manager     Product Marketing     [email protected]

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May 28, 2019
CAV-GRIP III vs. Traditional Bonding Adhesive

With the introduction of Carlisle’s CAV-GRIP™ III Adhesive, it’s faster than ever to install fully-adhered TPO and EPDM. CAV-GRIP III can be used to adhere standard TPO and EPDM membranes in weather conditions down to 25°F, with a much faster application rate and flash-off time than traditional bonding adhesive. Check out this time trial video for proof, and use the tips below to ensure maximum speed and efficiency. Here are some keys to saving time and getting a the most out of CAV-GRIP III: Use larger cylinders and hose splitters: CAV-GRIP III comes in two sizes, 85lb. and 40lb. cylinders. Using 85lb. cylinders allows for more coverage from each tank without having to change tanks. By using a hose splitter, two people can spray CAV-GRIP III from one tank at the same time, allowing for faster application. Keep cylinders warm in cold weather: As CAV-GRIP III cylinders get cold, the coverage rate will be reduced and application will become more difficult. Store cylinders inside or in a hot-box at 70-80° before use. It is important not to set cylinders directly on a metal deck, as this will accelerate heat loss. Instead, always set the cylinder on insulation and use a Power Blanket to keep it warm during application. Overlap is key: When applying CAV-GRIP III to adhere EPDM or TPO in the field of the roof, very little overlap is required. While spraying, try to overlap 1-2 inches to ensure 100% coverage on the back of the sheet and the substrate. However, when using CAV-GRIP III to adhere membranes to walls, it is important to overlap 50% when spraying. Use CAV-GRIP III and these tips to save a ton of time and labor on the roof. The time that used to be spent stirring, rolling, and waiting for adhesive to flash off can be spent laying more squares of roof to get on to the next job more quickly. For more information, please visit the CAV-GRIP III Productivity Booster page, or contact Adam Burzynski with any questions.     Adam Burzynski     TPO Product Manager     Product Marketing     [email protected]

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May 14, 2019
Turn a Raining Day Into a Training Day

The roofing industry has endured more than its share of precipitation in recent months. Roofing contractors are challenged to work through backlogs and retain crews during down time. Consider making the next raining day a training day, and bring the crew into the office for additional training. When training content is in short supply, Carlisle SynTec Systems can help. The Carlisle SynTec Systems video hub is an online resource that can help roofing contractors both on and off the roof. This informative web page hosts over 80 short videos that are organized into the following categories: Details: This section features more than 30 videos that walk an applicator through the detailing of Carlisle’s thermoset and thermoplastic roofing systems. All detail videos are available with closed captioning in Spanish and French. What to Expect When We’re Inspecting: This content is great for foremen and applicators. Join a Carlisle field service representative on the roof as he takes the viewer through a step-by-step walkthrough of a Carlisle-warranted roof inspection. By understanding the inspectors’ processes and expectations, foremen can prevent punch-list items, and move onto the next job. Productivity Boosters: This series of videos is great for sales professionals, estimators, foremen, and installers. Viewers will see side-by-side time trial videos that calculate exactly how much labor can be saved by using newer, more innovative products and installation techniques. These productivity-boosting products will help applicators recoup lost time and revenue; and these videos will show them how. Access the Carlisle SynTec Systems video hub today or click the “Watch Videos” link on the Carlisle SynTec Systems home page. For more information about Carlisle SynTec Systems’ virtual educational content and video hub, please contact Rob Reale.     Rob Reale     Director of Integrated Marketing Communications     Integrated Marketing Communications     [email protected]

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